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The lines 2x + y -1=0, ax+ 3y-3=0 and 3x...

The lines `2x + y -1=0`, `ax+ 3y-3=0` and `3x + 2y -2=0` are concurrent for -

A

All a

B

a= 4 only

C

`1 le a le 3`

D

`a lt 0` only

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The correct Answer is:
1
`|{:(2,1,-1),(a,3,-3),(3,2,-2):}|`
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